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comparison: gfx/thebes/gfxPDFSurface.cpp
gfx/thebes/gfxPDFSurface.cpp
- changeset 0
- 6474c204b198
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| -1:000000000000 | 0:ad456dbf8aa2 |
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| 1 /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*- | |
| 2 * This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #include "gfxPDFSurface.h" | |
| 7 | |
| 8 #include "cairo.h" | |
| 9 #include "cairo-pdf.h" | |
| 10 | |
| 11 static cairo_status_t | |
| 12 write_func(void *closure, const unsigned char *data, unsigned int length) | |
| 13 { | |
| 14 nsCOMPtr<nsIOutputStream> out = reinterpret_cast<nsIOutputStream*>(closure); | |
| 15 do { | |
| 16 uint32_t wrote = 0; | |
| 17 if (NS_FAILED(out->Write((const char*)data, length, &wrote))) | |
| 18 break; | |
| 19 data += wrote; length -= wrote; | |
| 20 } while (length > 0); | |
| 21 NS_ASSERTION(length == 0, "not everything was written to the file"); | |
| 22 return CAIRO_STATUS_SUCCESS; | |
| 23 } | |
| 24 | |
| 25 gfxPDFSurface::gfxPDFSurface(nsIOutputStream *aStream, const gfxSize& aSizeInPoints) | |
| 26 : mStream(aStream), mXDPI(-1), mYDPI(-1), mSize(aSizeInPoints) | |
| 27 { | |
| 28 Init(cairo_pdf_surface_create_for_stream(write_func, (void*)mStream, mSize.width, mSize.height)); | |
| 29 } | |
| 30 | |
| 31 gfxPDFSurface::~gfxPDFSurface() | |
| 32 { | |
| 33 } | |
| 34 | |
| 35 nsresult | |
| 36 gfxPDFSurface::BeginPrinting(const nsAString& aTitle, const nsAString& aPrintToFileName) | |
| 37 { | |
| 38 return NS_OK; | |
| 39 } | |
| 40 | |
| 41 nsresult | |
| 42 gfxPDFSurface::EndPrinting() | |
| 43 { | |
| 44 return NS_OK; | |
| 45 } | |
| 46 | |
| 47 nsresult | |
| 48 gfxPDFSurface::AbortPrinting() | |
| 49 { | |
| 50 return NS_OK; | |
| 51 } | |
| 52 | |
| 53 nsresult | |
| 54 gfxPDFSurface::BeginPage() | |
| 55 { | |
| 56 return NS_OK; | |
| 57 } | |
| 58 | |
| 59 nsresult | |
| 60 gfxPDFSurface::EndPage() | |
| 61 { | |
| 62 cairo_surface_show_page(CairoSurface()); | |
| 63 return NS_OK; | |
| 64 } | |
| 65 | |
| 66 void | |
| 67 gfxPDFSurface::Finish() | |
| 68 { | |
| 69 gfxASurface::Finish(); | |
| 70 mStream->Close(); | |
| 71 } | |
| 72 | |
| 73 void | |
| 74 gfxPDFSurface::SetDPI(double xDPI, double yDPI) | |
| 75 { | |
| 76 mXDPI = xDPI; | |
| 77 mYDPI = yDPI; | |
| 78 cairo_surface_set_fallback_resolution(CairoSurface(), xDPI, yDPI); | |
| 79 } | |
| 80 | |
| 81 void | |
| 82 gfxPDFSurface::GetDPI(double *xDPI, double *yDPI) | |
| 83 { | |
| 84 *xDPI = mXDPI; | |
| 85 *yDPI = mYDPI; | |
| 86 } |
